Electricity Cost Calculator
Calculate the cost of running any appliance. Enter watts, hours per day, and your electricity rate.
Daily cost
$0.120
0.800 kWh
Monthly cost
$3.60
24.00 kWh
Yearly cost
$43.80
292.0 kWh
Calculate electricity running cost for any appliance
This calculator uses the formula: kWh = (watts × hours per day) ÷ 1000, then multiplies by your electricity rate. The average US residential rate is ~$0.13–0.16/kWh; UK is ~£0.29/kWh; check your energy bill for your exact rate. For data-storage unit conversions, try Data Storage Converter.
Private & free — this tool runs entirely in your browser.
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